* The ignition is ON.
* The jump assist function is not active.
* The 12 V battery voltage is 9-18 V.
* The negative contactor is commanded closed.
P0AE0
* The 12 V battery voltage is 9-18 V.
* The negative contactor is commanded open.
Conditions for Setting the DTC
P0ADF
The control circuit voltage is 2 V less than B+ when the negative contactor relay is commanded closed.
P0AE0
The control circuit voltage is within 2 V of B+ when the negative contactor relay is commanded open.
Action Taken When the DTC Sets
DTCs P0ADF and P0AE0 are type C DTCs.
Conditions for Clearing the DTC
DTCs P0ADF and P0AE0 are type C DTCs.
Reference Information
Schematic Reference
Hybrid Energy Storage Schematics ()
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Drive Motor Battery System Description ()
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring
Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Special Tools
EL-48900 HEV Safety Kit
Circuit/System Verification
Verify that DTC P0ADF or P0AE0 is not set.
If any of the DTCs are set, refer to High Voltage Contactor/Relay Malfunction ().
P0AEA
DTC P0A9C-P0A9E, P0AC6-P0AC8, P0ACB-P0ACD, P0AE9, P0AEA, or P0AEB
CADILLAC Diagnostic and Repair Information ,Wiring Diagrams. DTC. TSB. Types: TSB, DTC, Wiring Diagrams, OEM Procedures. Trusted by more than 400,000 technicians. OEM accurate fix for faster repairs. Repair Procedures and Labor Times. Factory Auto Repair info. Request A Demo Today. Factory-Correct Diagrams. Factory Part Numbers. Maintenance Schedules. Repair Procedures. Labor Times. Types: TSB, DTC.